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kavitha kakarla
Xml parsing
1 Answer(s)      4 years and 11 months ago
Posted in : Java Beginners

Hi..i tried the above code but I unable to know where can i place the xml file..?

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April 21, 2012 at 12:49 PM


import java.io.*;
import java.util.*;
import org.w3c.dom.*;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

public class ParseXmlFile{

 public static void main(String argv[]){
 ArrayList<Student> list=new ArrayList<Student>();
  try{
  File file = new File("c:\\file.xml");
  DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
  DocumentBuilder db = dbf.newDocumentBuilder();
  Document document = db.parse(file);
  document.getDocumentElement().normalize();
  System.out.println("Root element "+ document.getDocumentElement().getNodeName());
  NodeList node = document.getElementsByTagName("student");
  System.out.println("Information of the students");

  for(int i = 0; i < node.getLength(); i++){
  Node firstNode = node.item(i);
  if(firstNode.getNodeType()== Node.ELEMENT_NODE){
  Element element = (Element) firstNode;
  NodeList firstNameElemntList = element.getElementsByTagName("name");
  Element firstNameElement = (Element) firstNameElemntList.item(0);
  NodeList firstName = firstNameElement.getChildNodes();
  Node n1=firstName.item(0);
  String name=n1.getNodeValue();

  NodeList lastNameElementList = element.getElementsByTagName("address");
  Element lastNameElement = (Element)lastNameElementList.item(0);
  NodeList lastName = lastNameElement.getChildNodes();
  Node n2=lastName.item(0);
  String address=n2.getNodeValue();
  list.add(new Student(name,address));
   }
  }
  for(Student st:list){
  System.out.println(st.getName()+"\t"+st.getAddress());
  }
  }
  catch (Exception e) {
  e.printStackTrace();
  }
 }
}

Put xml file C drive










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